InChI=1/C19H30N2O2/c1-16-6-17(2)8-18(7-16,11-19(23,9-16)10-17)14(20)15(22)21-4-3-12-5-13(12)21/h12-14,23H,3-11,20H2,1-2H3/p+1/t12-,13+,14-,16-,17+,18?,19?/m1/s1/fC19H31N2O2/h20H/q+1 3E073809E428141B